1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.systemui.statusbar.phone; 18 19 import android.content.Context; 20 import android.text.TextUtils; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.widget.TextView; 24 25 /** 26 * A view to show hints on Keyguard ("Swipe up to unlock", "Tap again to open"). 27 */ 28 public class KeyguardIndicationTextView extends TextView { 29 30 public KeyguardIndicationTextView(Context context) { 31 super(context); 32 } 33 34 public KeyguardIndicationTextView(Context context, AttributeSet attrs) { 35 super(context, attrs); 36 } 37 38 public KeyguardIndicationTextView(Context context, AttributeSet attrs, int defStyleAttr) { 39 super(context, attrs, defStyleAttr); 40 } 41 42 public KeyguardIndicationTextView(Context context, AttributeSet attrs, int defStyleAttr, 43 int defStyleRes) { 44 super(context, attrs, defStyleAttr, defStyleRes); 45 } 46 47 /** 48 * Changes the text with an animation and makes sure a single indication is shown long enough. 49 * 50 * @param text The text to show. 51 */ 52 public void switchIndication(CharSequence text) { 53 54 // TODO: Animation, make sure that we will show one indication long enough. 55 if (TextUtils.isEmpty(text)) { 56 setVisibility(View.INVISIBLE); 57 } else { 58 setVisibility(View.VISIBLE); 59 setText(text); 60 } 61 } 62 63 /** 64 * See {@link #switchIndication}. 65 */ 66 public void switchIndication(int textResId) { 67 switchIndication(getResources().getText(textResId)); 68 } 69 } 70